Java Utililty Methods Date Compare

List of utility methods to do Date Compare

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Description

The list of methods to do Date Compare are organized into topic(s).

Method

booleancompareDate(String date1, String date2)
compare Date 
try {
    Date d1 = formatter.parse(date1);
    Date d2 = formatter.parse(date2);
    return !d1.after(d2);
} catch (ParseException e) {
    e.printStackTrace();
    return false;
booleancompareDate(String s, String e)
compare Date 
if (fomatDate(s) == null || fomatDate(e) == null) {
    return false;
return fomatDate(s).getTime() >= fomatDate(e).getTime();
booleancompareDate(String s, String e)
compare Date 
if (parseDate(s) == null || parseDate(e) == null) {
    return false;
return parseDate(s).getTime() >= parseDate(e).getTime();
intcompareDate(String sDate, String eDate, String formatStr)
compare Date 
Date startDate = strToDate(sDate, formatStr);
Date endDate = strToDate(eDate, formatStr);
return compareDate(startDate, endDate);
longcompareDate(String sFirstDate, String sSecondDate)
compare Date 
long time1 = convertDateTimeToSysTime(sFirstDate);
long time2 = convertDateTimeToSysTime(sSecondDate);
long nTime = (time1 - time2);
final long nConst = (24 * 60 * 60 * 1000);
if (nTime % nConst == 0) {
    return nTime / nConst;
return (nTime / nConst) + 1;
...
booleancompareDate(String startdate, String enddate)
compare Date 
SimpleDateFormat formatter = new SimpleDateFormat(DEF_DATE_FORMAT);
Date sd = formatter.parse(startdate, new ParsePosition(0));
Date ed = formatter.parse(enddate, new ParsePosition(0));
return sd.before(ed);
intcompareDate(String startDate, String endDate, String strFormat)
compare Date 
java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat(strFormat);
Calendar start = Calendar.getInstance();
Date tempstartdate;
Calendar end = null;
try {
    tempstartdate = formatter.parse(startDate);
    start.setTime(tempstartdate);
    end = Calendar.getInstance();
...
booleancompareDate(String strDate1, String strDate2, String format)
compare Date 
Date date1 = convertStrToDate(strDate1, format);
Date date2 = convertStrToDate(strDate2, format);
if (date1.getTime() >= date2.getTime())
    return true;
return false;
booleancompareDate2(String begingDate, String endDate, String format)
compare Date 
boolean boo = true;
Date begin = null;
Date end = null;
if (format.isEmpty()) {
    format = format = "yyyy/MM/dd";
DateFormat df = new SimpleDateFormat(format);
if (null == begingDate || "".equals(begingDate)) {
...
booleancompareDateFormat(String strDate1, String strDate2, String format)
compare Date Format 
Date date1 = convertStrToDate(strDate1, format);
Date date2 = convertStrToDate(strDate2, format);
if (date1.getTime() > date2.getTime()) {
    return true;
return false;